The script command not only makes a record of what commands you run but also allows you to save the output generated so that you can examine it later or easily turn your command sequences into scripts ...

Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...

ITworld.com – Some of the worst-written scripts that I have encountered perform some action on behalf of the person running the script and then blithely continue on without ever checking whether the ...

I've got a script that runs a program in a loop. The program writes a file, and the script extracts a value out of that file. If the value doesn't meet the criteria, the loop continues. One thing that ...

A recent post about debugging constructs surprised me. There were quite a few comments about how you didn’t need a debugger, as long as you had printf. For that matter, we’ve all debugged systems ...